Meriwether Lewis was best known as the leader of the expedition. He was born on August 18, 1774 in Albemarle County, Virginia. He was the second child and first son of William and Lucy Meriwether...
Meriwether Lewis was the actual guy Pres. Jefferson asked to go on the expidition/journey with a purpose.But he didn't think he could do it alone so he asked William Clark to go with him
Probably, since it seems like the first name is a typo. There is a John Lewis department store in Britian and a John Lewis who is a politician in the U.S.